26-01-2017
Biology

contestada

What feature of the fossil Pikaia led scientists to classify it as a chordate?

A. Tentacles
B. A definite head region
C. A notochord
D. Segmentation

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Аноним Аноним

26-01-2017

Chordates are called chordates because they have a spinal chord, so the answer is C.

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